i've been reading this thread since last week till now and I don't find the answer
so if the program is limited to 125bit interval, ...
This is a false statement which is not true. Kangaroo is not limited to 125bit ranges. It works fine with all ranges intended for this little game-
What say you now?
The JLP, unmodded, kangaroo program, will not work for all the remaining ranges.
Now you’ll have everyone using it and wind up disappointed 😔